protoc \
  -I=. -I=$GOPATH/src wxpay/proto/*.proto --go_out=../ \
  --plugin=protoc-gen-swagger=$GOPATH/bin/protoc-gen-swagger --swagger_out=.
mv ../api/wxpay/* wxpay/
rm -rf ../api/
mv wxpay/proto/*.json wxpay/doc/
swaghtml gen -i wxpay/doc/*.json -o wxpay/doc/电商售付通接口文档.html